如图:在△ABC中,角ACB=90°,AC=BC,AE是BC的中线,过点C作CF⊥AE与F,过B作BD⊥CB交CF的延长线与点D.(1)求证:AE=CD (2)若BD=5cm,求AC的长http://b10.photo.store.qq.com/http_imgload.cgi?/rurl4_b=e258ee62b71d5218bb7daa0baa42a8
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如图:在△ABC中,角ACB=90°,AC=BC,AE是BC的中线,过点C作CF⊥AE与F,过B作BD⊥CB交CF的延长线与点D.(1)求证:AE=CD (2)若BD=5cm,求AC的长http://b10.photo.store.qq.com/http_imgload.cgi?/rurl4_b=e258ee62b71d5218bb7daa0baa42a8
如图:在△ABC中,角ACB=90°,AC=BC,AE是BC的中线,过点C作CF⊥AE与F,过B作BD⊥CB交CF的延长线与点D.
(1)求证:AE=CD
(2)若BD=5cm,求AC的长
http://b10.photo.store.qq.com/http_imgload.cgi?/rurl4_b=e258ee62b71d5218bb7daa0baa42a87e22c2e4f376025a7a6a90359a73b59c8b6f7566d29fa0a9910e55679a64766a850b511b9f482edf9da2da46d468d26000acfcd70e9980275797128e39aece731121e3641d (图在这里,因为我传不上来)
如图:在△ABC中,角ACB=90°,AC=BC,AE是BC的中线,过点C作CF⊥AE于F,过B作BD⊥CB交CF的延长线于点D。
(1)求证:AE=CD
(2)若BD=5cm,求AC的长
如图:在△ABC中,角ACB=90°,AC=BC,AE是BC的中线,过点C作CF⊥AE与F,过B作BD⊥CB交CF的延长线与点D.(1)求证:AE=CD (2)若BD=5cm,求AC的长http://b10.photo.store.qq.com/http_imgload.cgi?/rurl4_b=e258ee62b71d5218bb7daa0baa42a8
题目有问题,你会不会传错了(过B作BD⊥CB交CF的延长线与点D.)
1求证:AE=CD
解 楼主2b。
2若BD=5cm,求AC的长
解 楼主你鸡鸡有多长?
求三角形全等 两边大于地3边 就行了
有点问题